I don't own both YuGiOh GX and Dragon Ball. All of their characters, transformations, etc belong to them. I take no credit.
Name: Thai Nguyen
Race: Human/Saiyan
Height: 6 foot, 2 inches
Description: He has spiky black hair similar to that of a Saiyan's and black colored eyes. There are three bangs going down his forehead. His hair stands up, having many bangs. He is 17 years old and can't age. He is cold towards those who hurt his friends but is mostly chill and fun to hang around. Usually, he doesn't talk to strangers, unless he wants to. He likes to goof around or sleep when he gets the chance. His carefree attitude nearly gets himself killed sometimes, especially against strong opponents.
Abilities: Flight, Ki Blast, Ki Sense, Afterimage, Telepathy, Fist Fighting, Fire Magic, Wind Magic, Light Magic, Dark Magic, Barrier Magic, Healing Magic, Summoning
Techniques:
Ultimate Kamehameha (God Kamehameha variation), Masenko Kamehameha, Dual Dragon Fists (Super Twin Dragon Fist variation), Nova Bomber (Super Spirit Bomb variation), Assault Shield
Kamehameha, Super God Shock Flash, Instant Transmission
Masenko, Burning Attack, Soaring Dragon Strike, Explosive Dance (Sonic Rush), One-Handed Kamehameha
Scatter Finger Beam (Banshee Blast), Big Bang Flash, Spirit Sword, Savage Strike, Final Kamehameha
Punisher Drive, Stardust Breaker, Stardust Fall, God Punisher
Transformations: Kaioken, Super Saiyan, Super Kaioken
Summoner's Companions: Fenrir (Form Change: Sacred Fenrir), Leviathan (Form Change: Glacier Wings Leviathan), Phoenix (Form Change: Nova Phoenix, Bahamut (Form Change: Bahamut Zero)
Background: A hybrid-Saiyan raised on Earth. His mentor Trunks, trains him to fight like the Saiyans on his planet. He showed no interest in girls when growing up after the death of his parents at the age of 7. He visits King Kai frequently to train and get stronger. He picked up some magic skills while exploring his world. He turned Super Saiyan while training in the Hyperbolic Time Chamber because he was thinking about his parents and how helpless he was, unable to change his fate. A few years later, he joined the Time Patrollers along Trunks. These Time Patrollers don't age, simply because they want to keep on doing missions for as long as they want. When they want to stop being a Time Patroller, they lose the ability to un-age. During his stay, he made many friends who helped him train and get stronger.
Name: Syrus Truesdale
Race: Human
Height: 4 foot, 2 inches
Description: He has light blue hair that is sectioned into 3 layers. His eyes are grey which are behind the three bangs closest to his face. He wears round-lensed glasses. He is timid, shy and nervous most of the time. Whenever he comes face to face with a wild monster, he gets scared and freezes on the spot.
Combat Skills: Fire Magic, Water Magic
Background: He comes from the Truesdale family. They are earls. His dad believes that he should do what he wants to do when he grows up. His mom wishes him good luck and hopes that he lives a good life. His brother Zane believes that he doesn't have what it takes to become an adventurer since he has to bail Syrus out every time he encounters a monster. Ever since elementary school, he has been constantly bullied and picked on since he was short and timid. He has trouble making friends due to his shy nature and lack of confidence.
Name: Bastion Misawa
Race: Human
Height: 5 foot, 9 inches
Description: He has neat black hair sticking out on the left side of his head, and his eyes are blue. He is a mathematical genius who believes that every battle can be calculated and predicted.
Combat Skills: Sword Fighting, Fire Magic, Water Magic, Lightning Magic, Wind Magic, Earth Magic, Summoning
Summoner's Companion: Water Dragon
Background: Bastion is from the Cyber Kingdom. He is a Viscount. Studying matches in the arena was his favorite thing to do. He would put a person's battle record next to their opponent's and compare them. He studies how people interact and attack while watching them fight in the arena. When he was young, he would shut himself inside his room, and read a stack of books on magic and sword fighting once a week. His knowledge of magic rivals even the top-ranking adventurers.
Name: Chumley Huffington
Race: Human
Height: 5 foot, 10 inches
Description: He has short black hair with two stubs sticking out on both sides, making him look like a koala. His eyes are the color black. Reluctant about fighting, he stays away from strong monsters and lets other people nearby handle it.
Combat Skills: Shield Wielding, Earth Magic, Summoning
Summoner's Companion: Big Koala
Background: He had to retake his first year at the Academy because he failed his finals test. The test was him being able to kill a strong monster. Examples of strong monsters are fire griffons, sea serpents, chimeras or crystal dragons. His dad believes that he should leave the school, thinking that Chumley was wasting time on the pointless things.
Name: Chazz Princeton
Race: Human
Height: 5 foot, 7 inches
Description: He has spiky black hair that sticks out at the front with some going up in the back. His black eyes are below his front bangs. His cocky and arrogant attitude stems from him challenging strong opponents to a fight and defeating them with ease after a few minutes.
Combat Skills: Sword Fighting, Fire Magic, Light Magic, Darkness Magic, Summoning
Summoner's Companions: Light Dragon (Form Change: Judgement Dragon), Darkness Dragon (Form Change: Punishment Dragon)
Background: He comes from the Princeton family, a wealthy and prestigious family. They are dukes who rank very high in their kingdom. His brothers, Slade and Jagger, aren't liked very well due to their tyrannical nature. They dislike Chazz because he hasn't contributed to their goal, world domination. Chazz believes that he is the strongest fighter, believing that no one can beat him. Chazz hates the low-class people, mostly hanging around students of high prestige.
Name: Alexis Rhodes
Race: Human
Height: 5 foot, 8 inches
Description: She has long dark blonde hair with bangs sticking out around the sides of her face. Her eyes are the color hazel. She is strong-willed, caring and brave, yet she doesn't regard herself highly compared to others, unlike Chazz. Her cold attitude towards boys is mostly due to them being attracted to just her looks. She doesn't use her beauty to her advantage and she has confidence in her fighting skills.
Combat Skills: Sword Fighting, Water Magic, Wind Magic, Light Magic, Healing Magic, Summoning
Summoner's Companion: Cyber Angel, White Night Dragon
Background: She is Cyber Kingdom's crowned princess. Her parents don't spoil her, unlike other princesses. She studies sword fighting and magic diligently, staying focused on the task. Her status makes her well known and many boys try to ask her out, but she blatantly rejects them, knowing they would use her to get famous. She is careful around boys that try to befriend her since she believes that they have ulterior motives. Her best friends are Mindy and Jasmine.
Name: Zane Truesdale
Race: Human
Height: 6 foot, 2 inches
Description: He has blue hair that is sectioned into three layers with blue eyes below the bangs closest to his face. He is generally calm and collected, respecting those who wish to challenge him.
Combat Skills: Sword Fighting, Water Magic, Lightning Magic, Dark Magic, Healing Magic, Summoning
Summoner's Companion: Cyber Dragon (Form Change: Cyber End Dragon or Cyberdark Dragon)
Background: He comes from the Truesdale family. Like his younger brother Syrus, he is an earl as well. Zane looked out for Syrus when they were young because Syrus didn't know how to fight nor could he use magic. A few years later, Syrus still couldn't fight and every time he tried, he would freeze up in fear, making Zane take over and clean up. That led him to believe that Syrus wasn't meant for fighting. He thinks Syrus should try and find a different job. He is known as "The Kaiser" in Duel Academy. Girls constantly fawn over him due to his looks. He is well known due to the fact that he utterly decimates his opponents, no matter how many he fights against.
Name: Mindy Hamaguchi
Race: Human
Height: 5 foot, 6 inches
Description: She has black hair with a bang going to the left of her face. Her hair is tied into a ponytail. Her eyes are the color brown. She tends to swoon over certain guys one day and then the next day, she moves onto different guys.
Combat Skills: Spear Fighting, Wind Magic, Earth Magic
Background: Her family is of the middle class. Alexis, Jasmine and her grew up together and when they were little, they'd play at a playground a lot. She is friends with Alexis and Jasmine. She and Jasmine cheer Alexis on whenever she is fighting in a match.
Name: Jasmine Makurada
Race: Human
Height: 5 foot, 6 inches
Description: She has brown hair that hangs down, making three small bangs in front of her face. Her eyes are grey. Like Mindy, she tends to like a certain guy one day, then moving onto another guy the next day.
Combat Skills: Shield Wielding, Fire Magic, Lightning Magic
Background: Her family is of a middle class like Mindy. Alexis, Mindy and her grew up together and when they were little, they'd play at a playground a lot. They are very close friends. She and Mindy cheer Alexis on whenever she is fighting in a match.
Name: Atticus Rhodes
Race: Human
Height: 5 foot, 9 inches
Description: He has dark brown hair arranged similarly to that of his sister, Alexis. His eyes are brown. He can be cheerful and energetic at times, but when he needs to be serious, he focuses intently and becomes strong-willed.
Combat Skills: Sword Fighting, Fire Magic, Lightning Magic, Barrier Magic, Summoning
Summoner's Companion: Darkness Dragon (Form Change: Darkness Metal Dragon)
Background: He is Cyber Kingdom's crowned prince. His parents are lax when it comes to his study habits. He and his friends goof off and tend to laze around. Zane, his best friend believes that his sense of humor isn't very good. He is well known and liked by a multitude of girls. Like Zane, girls tend to swoon over him. That forces him to run away from them, hiding somewhere for a while before it's safe for him to leave. His funny attitude makes his opponents underestimate him.
Name: Blair Flannigan
Race: Human
Height: 4 foot, 9 inches
Description: She has blue hair with bangs going down, a tuft of hair sticking up on top of her head. Her eyes are brown. She is shy and timid, but very intelligent. Zane is her crush.
Combat Skills: Fire Magic, Water Magic, Light Magic, Summoning
Summoner's Allies: Baby Dragon (Form Change: Mystic Dragon)
Background: She is a viscountess. Her family allows her to join Duel Academy solely because she keeps pestering them about it. She joins Duel Academy specifically hoping to find Zane.
Author's Notes: This took a lot of time and research. My OC seems a bit overkill, yeah I know. Let's just say that he went to other universes before coming to this specific one. Backgrounds are somewhat made up but hey, it's supposed to fit in with the story, I hope…